Variable shelf



FIG. 1 is a front elevational view of a variable shelf showing my new design where the variable shelf is in a first configuration of use;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a front elevational view of the variable shelf where the variable shelf is in a second configuration of use;

FIG. 9 is a front elevational view of the variable shelf where the variable shelf is in a third configuration of use;

FIG. 10 is a front elevational view of the variable shelf where the variable shelf is in a fourth configuration of use;

FIG. 11 is a front elevational view of the variable shelf where the variable shelf is in a fifth configuration of use;

FIG. 12 is a front elevational view of the variable shelf where the variable shelf is in a sixth configuration of use;

FIG. 13 is a front elevational view of the variable shelf where the variable shelf is in a seventh configuration of use;

FIG. 14 is a front elevational view of the variable shelf where the variable shelf is in a eighth configuration of use; and,

FIG. 15 is a front elevational view of the variable shelf where the variable shelf is in a ninth configuration of use.

The broken lines in the drawings depict portions of the variable shelf and form no part of the claimed design. 

CLAIM The ornamental design for a variable shelf, as shown and described. 